/* roulang page: index */
:root{
  --c-ink-900:#0A1628;
  --c-ink-700:#1E2A3D;
  --c-brand-700:#123C8F;
  --c-brand-600:#1B4FD8;
  --c-brand-100:#E9EFFC;
  --c-brand-50:#F4F7FE;
  --c-neon:#35F2C0;
  --c-accent:#FF6B2C;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-line:#E2E8F3;
  --c-text:#0F1B2D;
  --c-muted:#5A6B85;
  --c-ok:#12A16B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,27,45,.06);
  --shadow-2:0 12px 32px -8px rgba(15,27,45,.12);
  --shadow-3:0 20px 44px -12px rgba(27,79,216,.22);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  font-feature-settings:"tnum" 1;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand-600);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.narrow{max-width:820px;}
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1024px){.section{padding:112px 0;}}
.section-alt{background:var(--c-brand-50);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--c-brand-700);background:var(--c-brand-100);
  padding:6px 14px;border-radius:var(--r-pill);
}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
@media (min-width:1024px){.section-head{margin-bottom:40px;}}
.section-title{font-size:clamp(22px,2.8vw,34px);line-height:1.25;font-weight:700;letter-spacing:.01em;}
.section-sub{color:var(--c-muted);font-size:15px;margin-top:10px;max-width:640px;}
.link-more{color:var(--c-brand-600);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--c-brand-700);gap:10px;}

/* 顶部公告条 */
.topbar{
  background:var(--c-ink-900);color:#C7D3E6;font-size:13px;
  border-bottom:1px solid rgba(53,242,192,.14);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar-left{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--c-neon);box-shadow:0 0 10px rgba(53,242,192,.8);flex:0 0 auto;}
.topbar-close{color:#8FA2BE;font-size:14px;padding:4px 6px;border-radius:6px;}
.topbar-close:hover{color:var(--c-neon);background:rgba(53,242,192,.1);}
.topbar.hide{display:none;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-ink-900);
  position:relative;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--c-brand-600),var(--c-neon));
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-brand-600),#0C2A6B);
  color:var(--c-neon);font-size:18px;
  border:1px solid rgba(53,242,192,.35);
  box-shadow:0 0 18px -4px rgba(53,242,192,.5);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{color:#fff;font-size:18px;font-weight:700;letter-spacing:.02em;}
.logo-text em{font-style:normal;color:var(--c-neon);font-size:11px;letter-spacing:.16em;}
.main-nav{display:none;align-items:center;gap:6px;flex:1;justify-content:center;}
@media (min-width:1024px){.main-nav{display:flex;}}
.nav-link{
  position:relative;color:#B9C7DD;font-size:15px;font-weight:500;
  padding:9px 14px;border-radius:8px;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.active{
  color:#fff;background:rgba(53,242,192,.08);
  text-shadow:0 0 8px rgba(53,242,192,.45);
}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-neon);border-radius:2px;box-shadow:0 0 10px rgba(53,242,192,.8);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--c-brand-600);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#1743BC;transform:translateY(-1px);box-shadow:var(--shadow-3);}
.btn-ghost{background:#fff;color:var(--c-brand-600);border:1px solid var(--c-brand-600);}
.btn-ghost:hover{background:var(--c-brand-100);transform:translateY(-1px);}
.btn-neon{
  height:42px;padding:0 18px;border:1px solid var(--c-neon);color:var(--c-neon);
  background:rgba(53,242,192,.08);
}
.btn-neon:hover{background:var(--c-neon);color:var(--c-ink-900);box-shadow:0 0 22px -4px rgba(53,242,192,.7);}
.nav-toggle{
  display:grid;place-items:center;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);color:#fff;font-size:17px;
}
.nav-toggle:hover{border-color:var(--c-neon);color:var(--c-neon);}
@media (min-width:1024px){.nav-toggle{display:none;}}

/* 抽屉导航 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,22,40,.6);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;z-index:80;
  background:var(--c-ink-900);border-left:1px solid rgba(53,242,192,.25);
  transform:translateX(100%);transition:transform .28s ease-out;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head span{color:#fff;font-weight:700;font-size:16px;}
.drawer-close{width:38px;height:38px;border-radius:10px;color:#B9C7DD;display:grid;place-items:center;border:1px solid rgba(255,255,255,.16);}
.drawer-close:hover{color:var(--c-neon);border-color:var(--c-neon);}
.drawer-nav a{
  display:block;padding:14px 12px;color:#C7D3E6;font-size:18px;border-radius:10px;
  border-left:3px solid transparent;
}
.drawer-nav a:hover{color:#fff;background:rgba(255,255,255,.05);}
.drawer-nav a.active{color:#fff;border-left-color:var(--c-neon);background:rgba(53,242,192,.08);}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);color:#8FA2BE;font-size:13px;}

/* Hero */
.hero{
  position:relative;background:var(--c-surface);overflow:hidden;
  padding:48px 0 56px;
}
@media (min-width:1024px){.hero{padding:72px 0 88px;}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.04;
  background-image:linear-gradient(90deg,#0A1628 1px,transparent 1px),linear-gradient(#0A1628 1px,transparent 1px);
  background-size:44px 44px;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;}
}
.hero h1{
  font-size:clamp(28px,4.6vw,52px);line-height:1.15;font-weight:700;letter-spacing:.01em;
  color:var(--c-ink-900);margin:18px 0 0;
}
.hero-lead{color:var(--c-muted);font-size:17px;line-height:1.9;margin-top:20px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.badge-item{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-brand-50);border:1px solid var(--c-line);
  color:var(--c-brand-700);font-size:13px;font-weight:600;
  padding:8px 14px;border-radius:var(--r-pill);
}
.badge-item i{color:var(--c-brand-600);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:300px;object-fit:cover;border-radius:var(--r-card);
  box-shadow:var(--shadow-2);border:1px solid var(--c-line);
}
@media (min-width:1024px){.hero-visual img{height:420px;}}
.float-chip{
  position:absolute;background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow-2);display:flex;align-items:center;gap:10px;
}
.float-chip i{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:var(--c-brand-100);color:var(--c-brand-600);font-size:14px;
}
.float-chip b{display:block;font-size:14px;color:var(--c-ink-900);line-height:1.3;}
.float-chip small{color:var(--c-muted);font-size:12px;}
.chip-a{left:-8px;top:22px;}
.chip-b{right:-6px;bottom:26px;}
@media (max-width:767px){
  .chip-a{left:8px;top:10px;}
  .chip-b{right:8px;bottom:10px;}
}

/* 时间线 */
.timeline{position:relative;display:grid;grid-template-columns:1fr;gap:0;margin-top:8px;}
@media (min-width:1024px){.timeline{grid-template-columns:repeat(5,1fr);gap:18px;}}
.step{position:relative;padding:0 0 28px 56px;}
@media (min-width:1024px){.step{padding:0 0 0 0;}}
.step-node{
  position:absolute;left:0;top:0;
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:2px solid var(--c-brand-600);color:var(--c-brand-700);
  font-weight:700;font-size:15px;z-index:2;
}
@media (min-width:1024px){
  .step-node{position:static;margin-bottom:18px;}
}
.step.current .step-node{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:0 0 0 6px rgba(255,107,44,.12);}
.step-line{
  position:absolute;left:19px;top:44px;bottom:4px;width:0;border-left:2px dashed rgba(27,79,216,.2);
}
@media (min-width:1024px){
  .step-line{left:20px;top:20px;bottom:auto;width:calc(100% + 18px);height:0;border-left:0;border-top:2px dashed rgba(27,79,216,.2);}
  .step:last-child .step-line{display:none;}
}
.step h3{font-size:17px;font-weight:600;color:var(--c-ink-900);margin-bottom:6px;}
.step p{color:var(--c-muted);font-size:14px;line-height:1.75;}

/* 亮点错位网格 */
.highlight-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.highlight-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
.hl-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.hl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(27,79,216,.3);}
.hl-card.wide{grid-column:span 1;}
@media (min-width:768px){
  .hl-card.wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:center;padding:28px;}
}
.hl-num{
  font-size:34px;font-weight:700;color:var(--c-brand-100);line-height:1;
  letter-spacing:.02em;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.hl-card.wide .hl-num{margin-bottom:10px;}
.hl-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--c-brand-100);color:var(--c-brand-600);font-size:17px;margin-bottom:16px;
}
.hl-card h3{font-size:18px;font-weight:600;color:var(--c-ink-900);margin-bottom:8px;}
.hl-card p{color:var(--c-muted);font-size:15px;line-height:1.8;}
.hl-figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);}
.hl-figure img{width:100%;height:190px;object-fit:cover;}

/* CMS 列表卡片 */
.cms-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:768px){.cms-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.cms-grid{grid-template-columns:repeat(3,1fr);}}
.cms-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.cms-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(27,79,216,.3);}
.cms-thumb{position:relative;aspect-ratio:16 / 10;background:var(--c-brand-50);overflow:hidden;}
.cms-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.cms-card:hover .cms-thumb img{transform:scale(1.03);}
.cms-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.tag-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-brand-100);color:var(--c-brand-700);font-size:12px;font-weight:600;
  align-self:flex-start;margin-bottom:12px;
}
.cms-body h3{
  font-size:17px;font-weight:600;color:var(--c-ink-900);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-body .excerpt{
  color:var(--c-muted);font-size:14px;line-height:1.75;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;gap:16px;color:var(--c-muted);font-size:13px;
}
.cms-meta i{color:var(--c-brand-600);margin-right:6px;}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:56px 20px;background:#fff;
  border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-muted);
}
.empty-state i{font-size:28px;color:var(--c-brand-600);margin-bottom:14px;display:block;}
.empty-state a{color:var(--c-brand-600);font-weight:600;}

/* 对比区 */
.compare-wrap{margin-top:8px;}
.compare-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:start;}
@media (min-width:1024px){.compare-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.plan{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.plan:hover{box-shadow:var(--shadow-2);}
.plan.recommend{
  border-color:var(--c-brand-600);background:linear-gradient(180deg,var(--c-brand-50),#fff);
  box-shadow:var(--shadow-2);
}
@media (min-width:1024px){
  .plan.recommend{margin-top:-8px;padding-bottom:32px;}
}
.plan-flag{
  position:absolute;top:-12px;left:24px;
  background:var(--c-brand-600);color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);box-shadow:var(--shadow-1);
}
.plan h3{font-size:19px;font-weight:700;color:var(--c-ink-900);}
.plan .plan-desc{color:var(--c-muted);font-size:14px;margin-top:8px;min-height:44px;}
.plan .plan-cond{
  margin-top:16px;font-size:15px;font-weight:600;color:var(--c-brand-700);
  padding-bottom:18px;border-bottom:1px solid var(--c-line);
}
.plan ul{margin-top:16px;display:flex;flex-direction:column;gap:12px;}
.plan li{display:flex;gap:10px;font-size:15px;color:var(--c-text);}
.plan li i{color:var(--c-ok);margin-top:5px;font-size:13px;}
.plan li span b{color:var(--c-ink-900);}
.plan-cta{width:100%;margin-top:22px;}
.dim-table{
  margin-top:32px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.dim-scroll{overflow-x:auto;}
.dim-table table{width:100%;border-collapse:collapse;min-width:560px;}
.dim-table th,.dim-table td{padding:16px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--c-line);}
.dim-table thead th{background:var(--c-brand-50);color:var(--c-brand-700);font-weight:600;font-size:14px;}
.dim-table tbody tr:nth-child(even){background:#FAFBFE;}
.dim-table tbody tr:last-child td{border-bottom:0;}
.dim-table td:first-child{color:var(--c-muted);font-weight:600;}

/* 暗色 CTA */
.cta-block{
  background:var(--c-ink-900);border-radius:20px;padding:32px;
  border:1px solid rgba(53,242,192,.35);box-shadow:0 24px 60px -24px rgba(10,22,40,.6);
  display:grid;grid-template-columns:1fr;gap:28px;position:relative;overflow:hidden;
}
@media (min-width:1024px){
  .cta-block{grid-template-columns:1fr 1fr;padding:48px;gap:48px;align-items:center;}
}
.cta-block::before{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,242,192,.18),transparent 70%);
}
.cta-copy{position:relative;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;}
.cta-copy p{color:#A9BAD4;font-size:15px;margin-top:14px;line-height:1.85;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-points span{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#CBDAF0;
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);padding:6px 14px;
}
.cta-points i{color:var(--c-neon);font-size:12px;}
.form-card{
  position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:24px;
}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:14px;font-weight:500;color:#CBD8EA;margin-bottom:8px;}
.form-field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-field input::placeholder{color:#7E90AD;}
.form-field input:focus{
  outline:none;border-color:var(--c-neon);
  box-shadow:0 0 0 3px rgba(53,242,192,.18);
}
.form-field input.error{border-color:#FF7A6B;box-shadow:0 0 0 3px rgba(255,122,107,.16);}
.form-tip{font-size:12px;color:#8FA2BE;margin-top:8px;}
.form-tip.warn{color:#FFB4A8;}
.form-btn{width:100%;height:48px;border-radius:var(--r-btn);background:var(--c-brand-600);color:#fff;font-weight:600;font-size:15px;transition:background-color .2s ease-out,box-shadow .2s ease-out;}
.form-btn:hover{background:#1743BC;box-shadow:0 0 24px -6px rgba(53,242,192,.5);}
.form-ok{
  display:none;margin-top:14px;font-size:14px;color:var(--c-neon);
  background:rgba(53,242,192,.1);border:1px solid rgba(53,242,192,.35);
  border-radius:10px;padding:10px 14px;
}
.form-ok.show{display:block;}

/* FAQ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item.open{border-color:rgba(27,79,216,.35);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;min-height:52px;padding:18px 22px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink-900);
}
.faq-q:hover{color:var(--c-brand-600);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:var(--c-brand-100);color:var(--c-brand-600);font-size:15px;font-weight:600;
  transition:transform .22s ease-out,background-color .22s ease-out,color .22s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--c-brand-600);color:#fff;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .24s ease-out;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{padding:0 22px 20px 22px;color:var(--c-muted);font-size:15px;line-height:1.85;}

/* 页脚 */
.site-footer{
  background:var(--c-ink-900);color:#A9BAD4;position:relative;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-neon),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 40px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px;}}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:18px;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#A9BAD4;display:inline-block;transition:color .2s ease-out,transform .2s ease-out;}
.footer-col a:hover{color:var(--c-neon);transform:translateX(2px);}
.footer-contact li{font-size:14px;display:flex;gap:10px;line-height:1.7;}
.footer-contact i{color:var(--c-neon);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8FA2BE;
}
.footer-bottom a{color:#8FA2BE;}
.footer-bottom a:hover{color:var(--c-neon);}

/* roulang page: article */
:root{
  --c-ink-900:#0A1628;
  --c-ink-700:#1E2A3D;
  --c-brand-700:#123C8F;
  --c-brand-600:#1B4FD8;
  --c-brand-100:#E9EFFC;
  --c-brand-50:#F4F7FE;
  --c-neon:#35F2C0;
  --c-accent:#FF6B2C;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-line:#E2E8F3;
  --c-text:#0F1B2D;
  --c-muted:#5A6B85;
  --c-ok:#12A16B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,27,45,.06);
  --shadow-2:0 12px 32px -8px rgba(15,27,45,.12);
  --shadow-3:0 20px 44px -12px rgba(27,79,216,.22);
  --article-w:820px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,transform .2s ease-out,background-color .2s ease-out,border-color .2s ease-out}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--c-brand-600);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-alt{background:linear-gradient(180deg,var(--c-brand-50),#FFFFFF)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head h2{margin:0;font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:700;letter-spacing:.01em}
.section-head p{margin:10px 0 0;color:var(--c-muted);font-size:15px;line-height:1.7}
.section-head .head-link{color:var(--c-brand-600);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.section-head .head-link:hover{color:var(--c-brand-700);transform:translateX(2px)}

/* 顶部公告条 */
.topbar{background:var(--c-ink-900);border-bottom:1px solid rgba(53,242,192,.18)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:36px;padding-top:6px;padding-bottom:6px}
.topbar-text{margin:0;font-size:13px;line-height:1.5;color:rgba(255,255,255,.78);display:flex;align-items:center;gap:8px}
.topbar-text i{color:var(--c-neon)}
.topbar-close{background:none;border:0;color:rgba(255,255,255,.5);font-size:14px;padding:4px 6px;border-radius:6px;line-height:1}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.08)}
.topbar.hide{display:none}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-ink-900);box-shadow:0 6px 24px -14px rgba(10,22,40,.8)}
.site-header::after{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--c-brand-600),var(--c-neon))}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
@media(max-width:767px){.header-inner{height:60px}}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,rgba(53,242,192,.18),rgba(27,79,216,.35));
  border:1px solid rgba(53,242,192,.45);color:var(--c-neon);font-size:16px;
  box-shadow:0 0 14px rgba(53,242,192,.25);
}
.logo-text strong{display:block;color:#fff;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:.01em}
.logo-text em{display:block;font-style:normal;font-size:11px;line-height:1.2;letter-spacing:.14em;color:rgba(53,242,192,.85)}
.main-nav{display:none;align-items:center;gap:8px}
@media(min-width:1024px){.main-nav{display:flex}}
.nav-link{position:relative;padding:8px 12px;border-radius:8px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78)}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-neon);box-shadow:0 0 8px rgba(53,242,192,.6);
  transform:scaleX(0);transform-origin:center;transition:transform .2s ease-out;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.active{color:var(--c-neon);background:rgba(53,242,192,.08);text-shadow:0 0 8px rgba(53,242,192,.45)}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.header-actions .btn-neon{display:none}
@media(min-width:1024px){.header-actions .btn-neon{display:inline-flex}}
.nav-toggle{
  display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);
  color:#fff;font-size:18px;transition:background-color .2s ease-out,border-color .2s ease-out;
}
.nav-toggle:hover{background:rgba(53,242,192,.14);border-color:rgba(53,242,192,.4);color:var(--c-neon)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--c-brand-600);color:#fff}
.btn-primary:hover{background:var(--c-brand-700);transform:translateY(-1px);box-shadow:var(--shadow-3)}
.btn-ghost{background:#fff;color:var(--c-brand-600);border-color:var(--c-brand-600)}
.btn-ghost:hover{background:var(--c-brand-100);transform:translateY(-1px)}
.btn-neon{background:transparent;color:var(--c-neon);border-color:rgba(53,242,192,.6)}
.btn-neon:hover{background:var(--c-neon);color:var(--c-ink-900);box-shadow:0 0 18px rgba(53,242,192,.35);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#e85c1f;transform:translateY(-1px);box-shadow:0 16px 32px -14px rgba(255,107,44,.7)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--c-brand-100);color:var(--c-brand-700);white-space:nowrap}
.badge-ok{background:rgba(18,161,107,.12);color:var(--c-ok)}
.badge-accent{background:rgba(255,107,44,.14);color:#C64A12}

/* 抽屉导航 */
.drawer-mask{position:fixed;inset:0;z-index:70;background:rgba(10,22,40,.62);opacity:0;visibility:hidden;transition:opacity .22s ease-out}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:80;width:min(330px,88vw);height:100%;
  background:var(--c-ink-900);border-left:1px solid rgba(53,242,192,.25);
  transform:translateX(102%);transition:transform .24s ease-out;
  padding:18px 20px 28px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-size:17px;display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{color:var(--c-neon);border-color:rgba(53,242,192,.45)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:10px;font-size:17px;font-weight:500;color:rgba(255,255,255,.82);border-left:3px solid transparent}
.drawer-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.drawer-nav a.active{color:var(--c-neon);background:rgba(53,242,192,.08);border-left-color:var(--c-neon)}

/* 页首区 */
.page-hero{
  padding:30px 0 34px;
  background:linear-gradient(180deg,var(--c-brand-50) 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:20px}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-brand-600)}
.breadcrumb i{font-size:10px;color:#B3BFD2}
.breadcrumb span[aria-current]{color:var(--c-text);font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:900px}
.page-title{margin:14px 0 0;font-size:clamp(28px,4.2vw,44px);line-height:1.2;font-weight:700;letter-spacing:.01em}
.page-sub{margin:14px 0 0;color:var(--c-muted);font-size:16px;line-height:1.8;max-width:680px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13px;color:var(--c-muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D0E0}
.article-meta time{font-variant-numeric:tabular-nums}

/* 正文 */
.article-section{padding-top:48px}
.article-shell{max-width:var(--article-w);margin:0 auto}
.article-body{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:28px 22px;
  font-size:17px;line-height:1.9;color:#16233A;
}
@media(min-width:768px){.article-body{padding:44px 44px 40px}}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;margin:44px 0 16px;padding-left:14px;
  font-size:clamp(21px,2.4vw,28px);line-height:1.35;font-weight:700;color:var(--c-text);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--c-brand-600)}
.article-body h3{margin:30px 0 12px;font-size:20px;line-height:1.5;font-weight:600}
.article-body h4{margin:24px 0 10px;font-size:17px;line-height:1.5;font-weight:600}
.article-body ul,.article-body ol{margin:0 0 20px;padding:0;list-style:none}
.article-body li{position:relative;padding-left:24px;margin-bottom:10px}
.article-body ul>li::before{content:"";position:absolute;left:2px;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--c-brand-600);transform:rotate(45deg)}
.article-body ol{counter-reset:olc}
.article-body ol>li::before{
  counter-increment:olc;content:counter(olc);
  position:absolute;left:0;top:.42em;width:18px;height:18px;border-radius:50%;
  background:var(--c-brand-100);color:var(--c-brand-700);
  font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-brand-50);
  border-left:3px solid var(--c-brand-600);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-muted);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:8px;text-align:center;font-size:13px;color:var(--c-muted)}
.article-body a{color:var(--c-brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-brand-700)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;overflow:hidden;border-radius:var(--r-img)}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--c-brand-50);font-weight:600;color:var(--c-brand-700)}
.article-body tbody tr:nth-child(even){background:#FAFBFE}
.article-body strong{font-weight:700;color:var(--c-text)}
.article-foot{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
@media(max-width:520px){.article-foot .btn{width:100%}}

.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);padding:52px 24px;text-align:center;
}
.empty-state i{font-size:34px;color:var(--c-brand-600)}
.empty-state h2{margin:16px 0 10px;font-size:22px;font-weight:700}
.empty-state p{margin:0 auto 22px;max-width:460px;color:var(--c-muted);font-size:15px;line-height:1.8}

/* 卡片 */
.card-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
.post-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(27,79,216,.3)}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-50)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.post-card:hover .thumb img{transform:scale(1.03)}
.post-card .thumb .badge{position:absolute;left:14px;top:14px;background:#fff;box-shadow:var(--shadow-1)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  margin:0;font-size:17px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  margin:0;color:var(--c-muted);font-size:14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;padding-top:6px;font-size:13px;color:var(--c-muted)}
.card-link{position:absolute;inset:0;z-index:2}
.post-card{position:relative}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden}
.faq-q{
  width:100%;min-height:56px;padding:16px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q i{color:var(--c-brand-600);transition:transform .22s ease-out;flex:none}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 20px;color:var(--c-muted);font-size:15px;line-height:1.85}
.faq-item.open .faq-a{display:block}

/* CTA */
.cta-wrap{padding:56px 0}
@media(min-width:768px){.cta-wrap{padding:80px 0}}
.cta-block{
  position:relative;overflow:hidden;background:var(--c-ink-900);
  border:1px solid rgba(53,242,192,.28);border-radius:20px;box-shadow:var(--shadow-2);
  padding:34px 24px;display:grid;gap:24px;
}
@media(min-width:1024px){.cta-block{grid-template-columns:1.5fr 1fr;align-items:center;padding:48px}}
.cta-block::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(53,242,192,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(53,242,192,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-block h2{position:relative;margin:0 0 12px;color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.cta-block p{position:relative;margin:0;color:rgba(255,255,255,.72);font-size:15px;line-height:1.85}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px}
@media(max-width:520px){.cta-actions .btn{width:100%}}

/* 页脚 */
.site-footer{background:var(--c-ink-900);border-top:1px solid rgba(53,242,192,.35);padding:56px 0 28px;color:rgba(255,255,255,.72)}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand p{margin:16px 0 0;max-width:340px;color:rgba(255,255,255,.6);font-size:14px;line-height:1.8}
.footer-col h4{margin:0 0 16px;color:#fff;font-size:15px;font-weight:600}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{display:inline-block;color:rgba(255,255,255,.68);font-size:14px}
.footer-col a:hover{color:var(--c-neon);transform:translateX(-2px)}
.footer-contact li{display:flex;gap:10px;color:rgba(255,255,255,.66);font-size:14px;line-height:1.75}
.footer-contact i{color:var(--c-neon);margin-top:5px;flex:none}
.footer-bottom{
  margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0}

/* roulang page: category1 */
:root{
  --c-ink-900:#0A1628;
  --c-ink-700:#1E2A3D;
  --c-brand-700:#123C8F;
  --c-brand-600:#1B4FD8;
  --c-brand-100:#E9EFFC;
  --c-brand-50:#F4F7FE;
  --c-neon:#35F2C0;
  --c-accent:#FF6B2C;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-line:#E2E8F3;
  --c-text:#0F1B2D;
  --c-muted:#5A6B85;
  --c-ok:#12A16B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,27,45,.06);
  --sh-2:0 12px 32px -8px rgba(15,27,45,.12);
  --sh-3:0 20px 44px -12px rgba(27,79,216,.22);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;}
input,select,textarea{font:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--c-brand-600);outline-offset:2px;}
.site-header a:focus-visible,.site-footer a:focus-visible,.cta-band a:focus-visible,.cta-band button:focus-visible{outline-color:var(--c-neon);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 32px;}}

/* 顶部公告条 */
.topbar{background:var(--c-ink-900);color:#C7D3E6;font-size:13px;}
.topbar-inner{display:flex;align-items:center;gap:16px;height:36px;}
.topbar-tag{display:inline-flex;align-items:center;gap:6px;color:var(--c-neon);font-weight:600;white-space:nowrap;}
.topbar-text{margin:0;flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#8FA3BF;}
.topbar-close{background:none;border:0;color:#8FA3BF;cursor:pointer;padding:6px 8px;border-radius:6px;line-height:1;transition:all .2s ease-out;}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.08);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-ink-900);}
.site-header::after{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--c-brand-600),var(--c-neon));}
.header-inner{display:flex;align-items:center;gap:20px;height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;}
.logo-mark{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--c-brand-600),#0B2A6B);color:var(--c-neon);border:1px solid rgba(53,242,192,.35);box-shadow:0 0 18px -6px rgba(53,242,192,.6);font-size:15px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--c-neon);letter-spacing:.08em;}
.main-nav{display:none;align-items:center;gap:28px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:#B9C7DC;padding:8px 10px;border-radius:8px;transition:all .2s ease-out;}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{content:"";position:absolute;left:10px;right:42%;bottom:2px;height:2px;background:rgba(255,255,255,.45);}
.nav-link.active{color:#fff;background:rgba(53,242,192,.08);text-shadow:0 0 8px rgba(53,242,192,.45);}
.nav-link.active::after{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;border-radius:2px;background:var(--c-neon);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:#fff;cursor:pointer;transition:all .2s ease-out;}
.nav-toggle:hover{background:rgba(53,242,192,.14);border-color:rgba(53,242,192,.45);}
@media(min-width:1024px){
  .header-inner{height:72px;gap:24px;}
  .main-nav{display:flex;}
  .nav-toggle{display:none;}
  .header-actions{margin-left:0;}
}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all .2s ease-out;white-space:nowrap;}
.btn-primary{background:var(--c-brand-600);color:#fff;box-shadow:0 10px 24px -12px rgba(27,79,216,.95);}
.btn-primary:hover{background:#1743BC;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--c-brand-600);border-color:rgba(27,79,216,.4);}
.btn-outline:hover{background:var(--c-brand-50);transform:translateY(-1px);}
.btn-neon{background:rgba(53,242,192,.12);color:var(--c-neon);border-color:rgba(53,242,192,.55);height:40px;padding:0 16px;font-size:14px;}
.btn-neon:hover{background:var(--c-neon);color:#062018;box-shadow:0 0 24px -6px rgba(53,242,192,.85);}
.btn-ghost-dark{background:transparent;color:var(--c-neon);border-color:rgba(53,242,192,.5);}
.btn-ghost-dark:hover{background:var(--c-neon);color:#062018;}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* 移动抽屉 */
.nav-drawer{position:fixed;inset:0;z-index:90;background:rgba(10,22,40,.62);display:none;}
.nav-drawer.open{display:block;}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--c-ink-900);border-left:1px solid rgba(53,242,192,.3);padding:18px;display:flex;flex-direction:column;gap:6px;transform:translateX(100%);transition:transform .24s ease-out;overflow-y:auto;}
.nav-drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;}
.drawer-title{color:#fff;font-size:15px;font-weight:600;}
.drawer-close{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:#fff;cursor:pointer;}
.drawer-link{display:block;padding:13px 12px;border-radius:10px;color:#B9C7DC;font-size:17px;border-left:3px solid transparent;transition:all .2s ease-out;}
.drawer-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.drawer-link.active{color:#fff;border-left-color:var(--c-neon);background:rgba(53,242,192,.08);}
.drawer-cta{margin-top:16px;}

/* 分类 Hero */
.cat-hero{position:relative;background:var(--c-brand-50);border-bottom:1px solid var(--c-line);overflow:hidden;}
.cat-hero::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(27,79,216,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(27,79,216,.05) 1px,transparent 1px);background-size:44px 44px;}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:28px;padding:36px 0 42px;}
@media(min-width:1024px){
  .cat-hero-inner{grid-template-columns:7fr 5fr;gap:44px;padding:56px 0 60px;min-height:260px;align-items:center;}
}
.breadcrumb{font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb a{color:var(--c-brand-600);}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px;}
.breadcrumb span[aria-current]{color:var(--c-muted);}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;}
.badge-brand{background:var(--c-brand-100);color:var(--c-brand-600);}
.badge-accent{background:rgba(255,107,44,.12);color:#C8490F;}
.badge-ok{background:rgba(18,161,107,.12);color:var(--c-ok);}
.cat-hero h1{font-size:clamp(28px,4.6vw,52px);line-height:1.15;font-weight:700;letter-spacing:.01em;margin:14px 0 0;}
.cat-hero h1 .h1-brand{display:block;font-size:clamp(13px,1.5vw,15px);font-weight:600;letter-spacing:.09em;color:var(--c-brand-600);margin-bottom:10px;}
.cat-hero-sub{font-size:16px;line-height:1.85;color:var(--c-muted);margin:16px 0 0;max-width:560px;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.cat-hero-actions .btn{flex:1 1 auto;}
@media(min-width:640px){.cat-hero-actions .btn{flex:0 0 auto;}}
.cat-hero-marks{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;}
.mark-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.mark-item i{color:var(--c-brand-600);font-size:13px;}
.cat-hero-media{position:relative;}
.cat-hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--c-line);box-shadow:var(--sh-2);}
.hero-chip{position:absolute;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);font-size:13px;font-weight:600;color:var(--c-text);box-shadow:var(--sh-2);}
.hero-chip i{color:var(--c-brand-600);}
.hero-chip-a{left:14px;top:14px;}
.hero-chip-b{right:14px;bottom:14px;}

/* 锚点胶囊导航 */
.chip-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.chip-nav{display:flex;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-muted);font-size:14px;font-weight:500;transition:all .2s ease-out;white-space:nowrap;}
.chip:hover{color:var(--c-brand-600);border-color:rgba(27,79,216,.35);background:var(--c-brand-50);}

/* 板块 */
.section{padding:56px 0;}
@media(min-width:768px){.section{padding:80px 0;}}
@media(min-width:1024px){.section{padding:104px 0;}}
.section-surface{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:32px;}
@media(min-width:1024px){.section-head{margin-bottom:40px;}}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-brand-600);background:var(--c-brand-100);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px;}
.section-title{font-size:clamp(22px,2.8vw,34px);line-height:1.25;font-weight:700;letter-spacing:.01em;margin:0;}
.section-desc{font-size:16px;line-height:1.85;color:var(--c-muted);margin:14px 0 0;}

/* 概览 */
.overview-grid{display:grid;gap:32px;}
@media(min-width:1024px){.overview-grid{grid-template-columns:1fr 1fr;gap:48px;align-items:start;}}
.lead{font-size:17px;line-height:1.9;color:var(--c-muted);margin:0 0 16px;}
.lead:last-child{margin-bottom:0;}
.lead strong{color:var(--c-text);font-weight:600;}
.callout{margin-top:22px;padding:16px 18px;background:var(--c-brand-50);border-left:3px solid var(--c-brand-600);border-radius:0 var(--r-btn) var(--r-btn) 0;font-size:15px;color:var(--c-ink-700);}
.callout p{margin:0;}
.point-list{display:grid;gap:16px;}
@media(min-width:640px){.point-list{grid-template-columns:1fr 1fr;}}
.point-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:all .2s ease-out;}
.point-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(27,79,216,.3);}
.point-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--c-brand-100);color:var(--c-brand-600);margin-bottom:14px;font-size:15px;}
.point-card h3{font-size:17px;line-height:1.4;font-weight:600;margin:0 0 8px;}
.point-card p{font-size:14px;line-height:1.8;color:var(--c-muted);margin:0;}

/* 能力卡错位 */
.ability-grid{display:grid;gap:20px;}
@media(min-width:768px){.ability-grid{grid-template-columns:repeat(12,1fr);gap:24px;}}
.ability-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);overflow:hidden;transition:all .2s ease-out;}
.ability-card:hover{box-shadow:var(--sh-3);border-color:rgba(27,79,216,.3);transform:translateY(-2px);}
@media(min-width:768px){
  .ability-card:nth-child(1){grid-column:span 7;}
  .ability-card:nth-child(2){grid-column:span 5;}
  .ability-card:nth-child(3){grid-column:span 5;}
  .ability-card:nth-child(4){grid-column:span 7;}
}
.ability-num{position:absolute;right:18px;top:8px;font-size:52px;font-weight:800;line-height:1;color:var(--c-brand-100);letter-spacing:-.02em;}
.ability-card h3{position:relative;font-size:19px;font-weight:600;line-height:1.4;margin:0 0 10px;}
.ability-card p{position:relative;font-size:15px;line-height:1.85;color:var(--c-muted);margin:0;max-width:520px;}
.ability-tag{position:relative;margin-top:16px;display:inline-flex;}

/* 步骤 */
.steps-layout{display:grid;gap:32px;}
@media(min-width:1024px){.steps-layout{grid-template-columns:7fr 5fr;gap:48px;align-items:start;}}
.step-list{display:grid;gap:16px;}
.step-item{display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:all .2s ease-out;}
.step-item:hover{box-shadow:var(--sh-2);border-color:rgba(27,79,216,.28);}
.step-num{flex:0 0 54px;width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:var(--c-brand-50);color:var(--c-brand-600);font-size:19px;font-weight:700;border:1px solid var(--c-line);}
.step-item.is-current .step-num{background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.step-body h3{font-size:18px;font-weight:600;line-height:1.4;margin:0 0 6px;}
.step-body p{font-size:15px;line-height:1.85;color:var(--c-muted);margin:0;}
.steps-aside{position:relative;}
.steps-aside img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--c-line);box-shadow:var(--sh-2);}
@media(min-width:1024px){.steps-aside{position:sticky;top:96px;}}
.aside-note{margin-top:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.aside-note h4{font-size:16px;font-weight:600;margin:0 0 12px;}
.aside-note ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.aside-note li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--c-muted);}
.aside-note li i{color:var(--c-brand-600);margin-top:7px;font-size:11px;}

/* 场景清单 */
.scene-grid{display:grid;gap:20px;}
@media(min-width:768px){.scene-grid{grid-template-columns:1fr 1fr;gap:24px;}}
.scene-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);}
.scene-card h3{font-size:19px;font-weight:600;line-height:1.4;margin:0 0 6px;}
.scene-card .scene-meta{font-size:13px;color:var(--c-muted);margin:0 0 16px;}
.scene-card ul{list-style:none;margin:0;padding:0;}
.scene-card li{display:flex;gap:10px;padding:11px 0;font-size:15px;line-height:1.75;color:var(--c-muted);border-bottom:1px dashed var(--c-line);}
.scene-card li:last-child{border-bottom:0;padding-bottom:0;}
.scene-card li i{color:var(--c-ok);margin-top:8px;font-size:12px;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-img);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease-out;}
.faq-item.open{border-color:rgba(27,79,216,.35);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:52px;padding:16px 20px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-text);cursor:pointer;transition:color .2s ease-out;}
.faq-q:hover{color:var(--c-brand-600);}
.faq-q i{flex:0 0 auto;color:var(--c-brand-600);font-size:14px;transition:transform .22s ease-out;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a-inner{padding:0 20px 20px 20px;font-size:15px;line-height:1.9;color:var(--c-muted);border-top:1px solid transparent;}
.faq-a-inner p{margin:0 0 10px;}
.faq-a-inner p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{position:relative;overflow:hidden;background:var(--c-ink-900);border:1px solid rgba(53,242,192,.35);border-radius:20px;padding:28px;box-shadow:0 26px 60px -28px rgba(10,22,40,.7);}
.cta-band::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(53,242,192,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(53,242,192,.06) 1px,transparent 1px);background-size:40px 40px;}
@media(min-width:1024px){.cta-band{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:44px;align-items:center;}}
.cta-copy{position:relative;}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:#fff;margin:14px 0 0;}
.cta-copy p{font-size:15px;line-height:1.9;color:#9FB0C9;margin:14px 0 0;}
.cta-points{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:14px;color:#B9C7DC;line-height:1.75;}
.cta-points li i{color:var(--c-neon);margin-top:7px;font-size:11px;}
.cta-form{position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-card);padding:22px;}
.form-row{display:grid;gap:14px;}
.field label{display:block;font-size:14px;font-weight:500;color:#C7D3E6;margin-bottom:6px;}
.field input,.field select{width:100%;height:46px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:15px;transition:all .2s ease-out;}
.field input::placeholder{color:#7C8CA6;}
.field select option{color:var(--c-text);background:#fff;}
.field input:focus,.field select:focus{outline:none;border-color:var(--c-neon);box-shadow:0 0 0 3px rgba(53,242,192,.18);}
.form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:4px;}
.form-tip{font-size:13px;color:var(--c-neon);margin:10px 0 0;min-height:20px;}
.form-note{font-size:12px;color:#7C8CA6;margin:6px 0 0;}

/* 页脚 */
.site-footer{background:var(--c-ink-900);color:#93A4BE;border-top:1px solid rgba(53,242,192,.35);padding:56px 0 24px;font-size:14px;}
.footer-grid{display:grid;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}}
.footer-brand p{color:#8FA3BF;line-height:1.9;margin:16px 0 0;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-col a{display:inline-block;color:#93A4BE;transition:all .18s ease-out;}
.footer-col a:hover{color:var(--c-neon);transform:translateX(2px);}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;line-height:1.8;}
.footer-contact li i{color:var(--c-neon);margin-top:7px;font-size:12px;flex:0 0 auto;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#7C8CA6;}
.footer-bottom p{margin:0;}

/* roulang page: category2 */
:root{
  --c-ink-900:#0A1628;
  --c-ink-700:#1E2A3D;
  --c-brand-700:#123C8F;
  --c-brand-600:#1B4FD8;
  --c-brand-100:#E9EFFC;
  --c-brand-50:#F4F7FE;
  --c-neon:#35F2C0;
  --c-accent:#FF6B2C;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-line:#E2E8F3;
  --c-text:#0F1B2D;
  --c-muted:#5A6B85;
  --c-ok:#12A16B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(15,27,45,.06);
  --shadow-2:0 12px 32px -8px rgba(15,27,45,.12);
  --shadow-3:0 20px 44px -12px rgba(27,79,216,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ============ 公告条 ============ */
.notice-bar{background:linear-gradient(90deg,#0A1628,#123C8F 55%,#0A1628);color:#CFE3FF;font-size:13px;min-height:36px;display:flex;align-items:center}
.notice-inner{display:flex;align-items:center;gap:10px;width:100%;padding:6px 20px}
@media(min-width:1024px){.notice-inner{padding:6px 32px}}
.notice-dot{width:8px;height:8px;border-radius:999px;background:var(--c-neon);box-shadow:0 0 10px rgba(53,242,192,.8);flex:none}
.notice-inner p{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice-close{background:transparent;border:0;color:#8FB4E8;font-size:18px;line-height:1;padding:2px 6px;border-radius:6px}
.notice-close:hover{color:#fff;background:rgba(255,255,255,.1)}
.notice-bar.hide{display:none}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-ink-900);
  border-bottom:1px solid rgba(53,242,192,.18);
}
.site-header::after{
  content:"";display:block;height:2px;
  background:linear-gradient(90deg,var(--c-brand-600),var(--c-neon),var(--c-brand-600));
  opacity:.9;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
@media(max-width:767px){.header-inner{min-height:60px}}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;flex:none;
  background:linear-gradient(140deg,var(--c-brand-600),#0A2C6B);
  color:var(--c-neon);font-size:17px;
  box-shadow:0 0 0 1px rgba(53,242,192,.35),0 6px 18px -6px rgba(27,79,216,.8);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{color:#fff;font-size:17px;font-weight:700;letter-spacing:.02em}
.logo-text em{font-style:normal;color:var(--c-neon);font-size:11px;letter-spacing:.14em}
.main-nav{display:none;align-items:center;gap:6px}
@media(min-width:1024px){.main-nav{display:flex}}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 13px;border-radius:8px;
  color:#B9C7DE;font-size:15px;font-weight:500;
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{
  color:#EAFBF5;
  background:rgba(53,242,192,.08);
  text-shadow:0 0 8px rgba(53,242,192,.45);
}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-neon);box-shadow:0 0 10px rgba(53,242,192,.85);
}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;padding:11px 20px;line-height:1.2;
  transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn:focus-visible{outline:2px solid var(--c-brand-600);outline-offset:2px}
.btn-neon{border-color:rgba(53,242,192,.6);color:var(--c-neon);background:rgba(53,242,192,.08)}
.btn-neon:hover{background:var(--c-neon);color:#062018;transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(53,242,192,.7)}
.btn-primary{background:var(--c-brand-600);color:#fff;box-shadow:0 10px 24px -12px rgba(27,79,216,.8)}
.btn-primary:hover{background:var(--c-brand-700);transform:translateY(-1px);box-shadow:var(--shadow-3)}
.btn-outline{background:#fff;border-color:var(--c-brand-600);color:var(--c-brand-600)}
.btn-outline:hover{background:var(--c-brand-50);transform:translateY(-1px)}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  color:#DDE7F7;font-size:17px;
}
.nav-toggle:hover{background:rgba(53,242,192,.12);color:var(--c-neon)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,22,40,.55);backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity .22s ease-out;z-index:70;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:280px;max-width:84vw;z-index:80;
  background:var(--c-ink-900);border-left:1px solid rgba(53,242,192,.2);
  transform:translateX(100%);transition:transform .24s ease-out;
  padding:20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head span{color:#fff;font-weight:600}
.drawer-close{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.07);border:0;color:#DDE7F7;font-size:18px}
.drawer-close:hover{color:var(--c-neon)}
.drawer-link{
  display:block;padding:13px 12px;border-radius:10px;color:#C7D4E8;font-size:16px;
  border-left:3px solid transparent;
}
.drawer-link:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-link.active{border-left-color:var(--c-neon);background:rgba(53,242,192,.08);color:#EAFBF5}
.drawer-cta{margin-top:14px}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:80px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:760px;margin-bottom:32px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--c-brand-600);background:var(--c-brand-100);
  padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.section-title{font-size:clamp(22px,2.8vw,34px);line-height:1.25;font-weight:700;color:var(--c-text)}
.section-sub{margin-top:14px;color:var(--c-muted);font-size:16px}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(244,247,254,.96),rgba(233,239,252,.9)),
    repeating-linear-gradient(45deg,rgba(27,79,216,.04) 0 1px,transparent 1px 14px);
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;left:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,242,192,.16),transparent 68%);
}
.hero-inner{
  position:relative;display:grid;gap:28px;align-items:center;
  padding:44px 0 44px;
}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;gap:48px;padding:56px 0}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding:6px 14px;font-size:13px;color:var(--c-brand-700);font-weight:600;
  box-shadow:var(--shadow-1);
}
.hero-badge i{color:var(--c-accent)}
.hero-inner h1{
  margin-top:18px;
  font-size:clamp(28px,4.6vw,46px);line-height:1.15;font-weight:700;color:var(--c-text);
}
.hero-lead{margin-top:16px;color:var(--c-muted);font-size:17px;max-width:600px}
.hero-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding:6px 13px;font-size:13px;color:var(--c-muted);
}
.chip i{color:var(--c-brand-600)}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;height:240px;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--c-line);box-shadow:var(--shadow-2);
}
@media(min-width:768px){.hero-figure img{height:300px}}
.hero-float{
  position:absolute;left:-10px;bottom:-16px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);
  padding:12px 16px;box-shadow:var(--shadow-2);display:flex;align-items:center;gap:12px;
}
.hero-float i{color:var(--c-ok);font-size:18px}
.hero-float strong{display:block;font-size:14px;color:var(--c-text)}
.hero-float span{font-size:12px;color:var(--c-muted)}

/* ============ 子导航胶囊 ============ */
.subnav-wrap{background:#fff;border-bottom:1px solid var(--c-line);position:sticky;top:74px;z-index:40}
.subnav{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.subnav::-webkit-scrollbar{display:none}
.subnav a{
  flex:none;display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-brand-50);color:var(--c-brand-700);font-size:14px;font-weight:500;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.subnav a:hover{background:var(--c-brand-100);border-color:rgba(27,79,216,.35)}

/* ============ 步骤区 ============ */
.steps-layout{display:grid;gap:32px}
@media(min-width:1024px){.steps-layout{grid-template-columns:7fr 5fr;gap:48px;align-items:start}}
.steps-list{display:flex;flex-direction:column;gap:16px}
.step-item{
  display:flex;gap:18px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.step-item:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(27,79,216,.3)}
.step-num{
  flex:none;width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  background:var(--c-brand-50);border:1px solid rgba(27,79,216,.2);
  color:var(--c-brand-600);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-item.current .step-num{background:#FFF2EA;border-color:rgba(255,107,44,.35);color:var(--c-accent)}
.step-body h3{font-size:19px;font-weight:600;color:var(--c-text)}
.step-body p{margin-top:8px;color:var(--c-muted);font-size:15.5px}
.step-tag{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:12px;color:var(--c-ok);background:rgba(18,161,107,.1);
  padding:4px 10px;border-radius:999px;
}
.steps-aside{position:relative}
@media(min-width:1024px){.steps-aside{position:sticky;top:150px}}
.steps-aside img{
  width:100%;height:260px;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--c-line);box-shadow:var(--shadow-2);
}
@media(min-width:1024px){.steps-aside img{height:340px}}
.aside-card{
  margin-top:18px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-1);
}
.aside-card h4{font-size:17px;font-weight:600;color:var(--c-text);display:flex;align-items:center;gap:8px}
.aside-card h4 i{color:var(--c-brand-600)}
.aside-card ul{margin-top:12px;display:flex;flex-direction:column;gap:10px}
.aside-card li{display:flex;gap:9px;font-size:14.5px;color:var(--c-muted)}
.aside-card li i{color:var(--c-neon);margin-top:5px;font-size:12px}

/* ============ 清单区 ============ */
.checklist-grid{display:grid;gap:24px}
@media(min-width:768px){.checklist-grid{grid-template-columns:1fr 1fr}}
.check-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.check-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.check-card.dark{
  background:var(--c-ink-900);border-color:rgba(53,242,192,.22);color:#D8E4F5;
}
.check-card.dark h3{color:#fff}
.check-card h3{font-size:20px;font-weight:600;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.check-card h3 i{color:var(--c-brand-600)}
.check-card.dark h3 i{color:var(--c-neon)}
.check-card .hint{font-size:14px;color:var(--c-muted)}
.check-card.dark .hint{color:#8FA5C4}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:11px;font-size:15.5px;line-height:1.7}
.check-list li i{flex:none;margin-top:5px;font-size:13px;color:var(--c-ok)}
.check-card.dark .check-list li i{color:var(--c-neon)}

/* ============ 验证方式要点卡 ============ */
.method-grid{display:grid;gap:20px}
@media(min-width:640px){.method-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.method-grid{grid-template-columns:repeat(4,1fr)}}
.method-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.method-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--c-brand-600),var(--c-neon));opacity:0;transition:opacity .2s ease-out;
}
.method-card:hover{box-shadow:var(--shadow-3);transform:translateY(-2px);border-color:rgba(27,79,216,.28)}
.method-card:hover::before{opacity:1}
.method-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--c-brand-100);color:var(--c-brand-600);font-size:19px;margin-bottom:16px;
}
.method-card h3{font-size:18px;font-weight:600}
.method-card p{margin-top:9px;font-size:14.5px;color:var(--c-muted)}
.method-card .tagline{
  display:inline-block;margin-top:14px;font-size:12px;font-weight:600;
  color:var(--c-brand-700);background:var(--c-brand-50);border-radius:999px;padding:4px 11px;
}

/* ============ 提示条 ============ */
.tip-bar{
  display:flex;gap:16px;align-items:flex-start;
  background:linear-gradient(120deg,#FFF6F1,#FFFFFF);
  border:1px solid rgba(255,107,44,.28);border-left:4px solid var(--c-accent);
  border-radius:var(--r-card);padding:22px 24px;margin-top:32px;
}
.tip-bar i{color:var(--c-accent);font-size:20px;margin-top:4px}
.tip-bar strong{display:block;font-size:16px;color:var(--c-text);margin-bottom:6px}
.tip-bar p{color:var(--c-muted);font-size:15px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:32px}
@media(min-width:1024px){.faq-wrap{grid-template-columns:7fr 5fr;gap:48px;align-items:start}}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item.open{border-color:rgba(27,79,216,.35);box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:56px;font-size:16.5px;font-weight:600;color:var(--c-text);
  transition:background .2s ease-out;
}
.faq-q:hover{background:var(--c-brand-50)}
.faq-q:focus-visible{outline:2px solid var(--c-brand-600);outline-offset:-3px}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:999px;display:grid;place-items:center;
  background:var(--c-brand-100);color:var(--c-brand-600);font-size:13px;
  transition:transform .22s ease-out,background .22s ease-out,color .22s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--c-brand-600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.faq-a p{padding:0 22px 20px 22px;color:var(--c-muted);font-size:15.5px}
.faq-side{display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card h4{font-size:17px;font-weight:600;display:flex;align-items:center;gap:9px}
.side-card h4 i{color:var(--c-brand-600)}
.side-card p{margin-top:10px;font-size:14.5px;color:var(--c-muted)}
.side-links{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--r-img);border:1px solid var(--c-line);
  background:var(--c-brand-50);font-size:14.5px;color:var(--c-brand-700);
  transition:background .2s ease-out,transform .2s ease-out;
}
.side-links a:hover{background:var(--c-brand-100);transform:translateX(2px)}
.side-card.dark{background:var(--c-ink-900);border-color:rgba(53,242,192,.22)}
.side-card.dark h4,.side-card.dark p{color:#D8E4F5}
.side-card.dark h4 i{color:var(--c-neon)}
.stat-row{display:flex;gap:18px;margin-top:16px}
.stat-item{flex:1}
.stat-item strong{display:block;font-size:24px;font-weight:700;color:var(--c-brand-600);font-variant-numeric:tabular-nums}
.side-card.dark .stat-item strong{color:var(--c-neon)}
.stat-item span{font-size:12.5px;color:var(--c-muted)}
.side-card.dark .stat-item span{color:#8FA5C4}

/* ============ CTA ============ */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--c-ink-900);border-radius:20px;
  border:1px solid rgba(53,242,192,.3);
  padding:40px 28px;
  box-shadow:0 30px 60px -30px rgba(10,22,40,.7);
}
.cta-block::before{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,242,192,.18),transparent 70%);
}
.cta-inner{position:relative;display:grid;gap:28px;align-items:center}
@media(min-width:1024px){.cta-inner{grid-template-columns:7fr 5fr;gap:48px}.cta-block{padding:56px 48px}}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.28;font-weight:700}
.cta-inner p{margin-top:14px;color:#A9BCD6;font-size:16px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-list{display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:11px;color:#C7D4E8;font-size:15px}
.cta-list li i{color:var(--c-neon);margin-top:5px;font-size:13px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;background:var(--c-ink-900);color:#A9BCD6;
  border-top:1px solid rgba(53,242,192,.35);
  padding:56px 0 24px;
}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.3fr}}
.site-footer .logo-text strong{color:#fff}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;max-width:340px}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:#A9BCD6;transition:color .2s ease-out,transform .2s ease-out;display:inline-block}
.footer-col a:hover{color:var(--c-neon);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;line-height:1.75}
.footer-contact i{color:var(--c-neon);margin-top:5px;font-size:13px;flex:none}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7C90AE;
}

/* roulang page: category3 */
:root{
  --c-ink-900:#0A1628;
  --c-ink-700:#1E2A3D;
  --c-brand-700:#123C8F;
  --c-brand-600:#1B4FD8;
  --c-brand-100:#E9EFFC;
  --c-brand-50:#F4F7FE;
  --c-neon:#35F2C0;
  --c-accent:#FF6B2C;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-line:#E2E8F3;
  --c-text:#0F1B2D;
  --c-muted:#5A6B85;
  --c-ok:#12A16B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,27,45,.06);
  --sh-2:0 12px 32px -8px rgba(15,27,45,.12);
  --sh-3:0 20px 44px -12px rgba(27,79,216,.22);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-brand-600);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-brand-700);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
h1{font-size:clamp(28px,4.6vw,44px);line-height:1.15;font-weight:700;letter-spacing:.01em;}
h2{font-size:clamp(22px,2.8vw,32px);line-height:1.25;font-weight:700;letter-spacing:.01em;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-brand-600);outline-offset:2px;}

/* ---------- 顶部公告条 ---------- */
.topbar{
  background:linear-gradient(90deg,#0A1628,#12203a 55%,#0A1628);
  color:#C7D3E6;
  min-height:36px;
  display:flex;
  align-items:center;
  border-bottom:1px solid rgba(53,242,192,.16);
}
.topbar-inner{display:flex;align-items:center;gap:12px;width:100%;padding:6px 0;font-size:13px;}
.topbar-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(53,242,192,.12);
  color:var(--c-neon);
  border:1px solid rgba(53,242,192,.35);
  border-radius:999px;
  padding:2px 10px;
  font-size:12px;
  line-height:18px;
  white-space:nowrap;
}
.topbar-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-close{color:#8FA0BC;padding:4px 6px;border-radius:6px;transition:color .2s,background .2s;}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.08);}
.topbar.hidden{display:none;}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--c-ink-900);
  border-bottom:2px solid transparent;
  border-image:linear-gradient(90deg,var(--c-brand-600),var(--c-neon)) 1;
  box-shadow:0 8px 24px -18px rgba(10,22,40,.9);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:12px;color:#fff;}
.logo:hover{color:#fff;}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(27,79,216,.9),rgba(53,242,192,.65));
  color:#fff;font-size:18px;
  box-shadow:0 0 0 1px rgba(53,242,192,.35),0 10px 26px -14px rgba(53,242,192,.8);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text strong{font-size:19px;letter-spacing:.06em;color:#fff;}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.22em;color:var(--c-neon);opacity:.9;}
.main-nav{display:none;align-items:center;gap:28px;}
.nav-link{
  position:relative;
  color:#B9C6DA;
  font-size:15px;font-weight:500;
  padding:8px 10px;
  border-radius:8px;
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  background:transparent;border-radius:2px;transition:background .2s ease-out,width .2s ease-out;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.04);}
.nav-link:hover::after{background:rgba(53,242,192,.5);}
.nav-link.active{
  color:#fff;
  background:rgba(53,242,192,.08);
  text-shadow:0 0 8px rgba(53,242,192,.45);
}
.nav-link.active::after{background:var(--c-neon);box-shadow:0 0 10px rgba(53,242,192,.8);}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  padding:11px 20px;
  line-height:1.2;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  border:1px solid transparent;
  white-space:nowrap;
}
.btn-primary{background:var(--c-brand-600);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline{background:var(--c-surface);color:var(--c-brand-600);border-color:var(--c-brand-600);}
.btn-outline:hover{background:var(--c-brand-100);color:var(--c-brand-700);transform:translateY(-1px);}
.btn-neon{
  background:rgba(53,242,192,.12);
  color:var(--c-neon);
  border-color:rgba(53,242,192,.55);
  box-shadow:0 0 0 1px rgba(53,242,192,.1),0 10px 26px -18px rgba(53,242,192,.9);
}
.btn-neon:hover{background:var(--c-neon);color:#06231A;border-color:var(--c-neon);}
.btn-ghost{color:var(--c-brand-600);border-color:var(--c-line);background:var(--c-surface);}
.btn-ghost:hover{background:var(--c-brand-50);color:var(--c-brand-700);}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  color:var(--c-neon);
  border:1px solid rgba(53,242,192,.4);
  background:rgba(53,242,192,.08);
}
.nav-toggle:hover{background:rgba(53,242,192,.18);}
@media (min-width:1024px){
  .main-nav{display:flex;}
  .nav-toggle{display:none;}
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;
  width:min(84vw,340px);
  background:var(--c-ink-900);
  border-left:1px solid rgba(53,242,192,.28);
  transform:translateX(105%);
  transition:transform .26s ease-out;
  z-index:80;
  padding:22px 20px 32px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{color:#9FB0C9;font-size:20px;width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.12);}
.drawer-close:hover{color:#fff;background:rgba(255,255,255,.07);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  color:#C7D3E6;font-size:18px;padding:13px 14px;border-radius:10px;
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:#fff;}
.drawer-nav a.active{color:#fff;border-left-color:var(--c-neon);background:rgba(53,242,192,.09);text-shadow:0 0 8px rgba(53,242,192,.45);}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:10px;}
.drawer-cta .btn{width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(6,14,26,.55);opacity:0;visibility:hidden;transition:opacity .26s;z-index:70;}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ---------- 通用板块 ---------- */
main{display:block;}
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-alt{background:var(--c-brand-50);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-brand-600);
  background:var(--c-brand-100);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:14px;
}
.section-head p{color:var(--c-muted);font-size:16px;margin-top:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:24px;
  background:var(--c-brand-100);color:var(--c-brand-700);
}
.badge-accent{background:rgba(255,107,44,.12);color:#C8491A;}
.badge-ok{background:rgba(18,161,107,.12);color:var(--c-ok);}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  background:
    linear-gradient(180deg,rgba(233,239,252,.95),rgba(244,247,254,.98)),
    repeating-linear-gradient(45deg,rgba(27,79,216,.045) 0 1px,transparent 1px 14px);
  border-bottom:1px solid var(--c-line);
  padding:36px 0 44px;
  overflow:hidden;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:22px;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-brand-600);}
.crumbs i{font-size:10px;opacity:.6;}
.crumbs span{color:var(--c-text);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px;}}
.page-hero h1{margin-bottom:16px;}
.page-hero h1 .hl{color:var(--c-brand-600);}
.hero-sub{color:var(--c-muted);font-size:17px;max-width:620px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;height:220px;object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  border:1px solid var(--c-line);
}
@media (min-width:1024px){.hero-figure img{height:280px;}}
.hero-float{
  position:absolute;left:18px;bottom:-16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  box-shadow:var(--sh-2);
  padding:12px 16px;
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--c-muted);
}
.hero-float strong{display:block;color:var(--c-text);font-size:15px;}
.pill-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.pill-nav a{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:8px 16px;
  font-size:14px;color:var(--c-ink-700);
  box-shadow:var(--sh-1);
}
.pill-nav a:hover{border-color:rgba(27,79,216,.4);color:var(--c-brand-600);transform:translateY(-1px);box-shadow:var(--sh-2);}

/* ---------- 指标卡 ---------- */
.metric-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.metric-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.metric-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.metric{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(27,79,216,.35);}
.metric .m-ico{
  width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-brand-100);color:var(--c-brand-600);font-size:17px;margin-bottom:16px;
}
.metric .m-num{font-size:38px;font-weight:700;line-height:1;color:var(--c-ink-900);font-variant-numeric:tabular-nums;}
.metric .m-num small{font-size:15px;font-weight:600;color:var(--c-muted);margin-left:4px;}
.metric h3{margin:12px 0 6px;font-size:17px;}
.metric p{color:var(--c-muted);font-size:14px;line-height:1.75;}

/* ---------- 对比表 ---------- */
.table-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;}
table.compare th,table.compare td{padding:16px 20px;text-align:left;vertical-align:top;border-bottom:1px solid var(--c-line);}
table.compare thead th{background:var(--c-brand-50);font-size:15px;color:var(--c-ink-900);}
table.compare thead th .th-sub{display:block;font-weight:400;font-size:13px;color:var(--c-muted);margin-top:4px;}
table.compare tbody tr:nth-child(even){background:#FAFBFF;}
table.compare tbody th{font-weight:600;color:var(--c-ink-700);background:#fff;width:170px;}
table.compare td{color:var(--c-muted);}
table.compare td strong{color:var(--c-text);font-weight:600;}
.col-reco{background:rgba(233,239,252,.6)!important;border-left:1px solid rgba(27,79,216,.25);border-right:1px solid rgba(27,79,216,.25);}
th.col-reco{position:relative;color:var(--c-brand-700)!important;}
.reco-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-brand-600);color:#fff;
  font-size:12px;font-weight:600;
  border-radius:999px;padding:2px 10px;margin-bottom:8px;
}
@media (min-width:1024px){th.col-reco{padding-top:24px;}}
.table-note{font-size:13px;color:var(--c-muted);padding:14px 20px;background:var(--c-surface);}

/* ---------- 更新流程 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.flow{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,1fr);gap:24px;}}
.flow-step{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(27,79,216,.35);}
.flow-step .step-no{
  font-size:34px;font-weight:700;line-height:1;
  color:var(--c-brand-100);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.flow-step .step-ico{
  position:absolute;right:20px;top:24px;
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-brand-50);color:var(--c-brand-600);
}
.flow-step.is-current .step-ico{background:rgba(255,107,44,.14);color:var(--c-accent);}
.flow-step h3{margin:14px 0 8px;font-size:18px;}
.flow-step p{color:var(--c-muted);font-size:14px;line-height:1.8;}
.flow-step.is-current{border-color:rgba(255,107,44,.45);box-shadow:0 18px 40px -22px rgba(255,107,44,.65);}

/* ---------- 场景卡片 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.scene-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.scene-grid{grid-template-columns:repeat(4,1fr);}}
.scene-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(27,79,216,.3);}
.scene-card img{height:150px;width:100%;object-fit:cover;border-radius:0;}
.scene-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:17px;}
.scene-body p{color:var(--c-muted);font-size:14px;line-height:1.75;}

/* ---------- 资源列表 ---------- */
.res-list{display:grid;grid-template-columns:1fr;gap:16px;}
.res-item{
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  padding:18px 20px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.res-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(27,79,216,.3);}
.res-item .r-ico{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-brand-50);color:var(--c-brand-600);font-size:17px;
}
.res-item .r-main{flex:1;min-width:0;}
.res-item h3{font-size:16px;margin-bottom:4px;}
.res-item p{color:var(--c-muted);font-size:14px;line-height:1.7;}
.res-item .r-go{color:var(--c-brand-600);font-size:15px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:14px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item.open{border-color:rgba(27,79,216,.35);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  min-height:52px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 22px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.faq-q:hover{color:var(--c-brand-600);}
.faq-q .q-ico{
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-brand-100);color:var(--c-brand-600);font-size:13px;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out;
}
.faq-item.open .q-ico{transform:rotate(180deg);background:var(--c-brand-600);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.faq-a p{padding:0 22px 20px 62px;color:var(--c-muted);font-size:15px;line-height:1.85;}
.faq-item.open .faq-a{max-height:420px;}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--c-ink-900);
  border:1px solid rgba(53,242,192,.35);
  border-radius:20px;
  padding:36px 28px;
  box-shadow:0 30px 60px -30px rgba(10,22,40,.85);
  position:relative;
  overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,242,192,.2),transparent 65%);
}
.cta-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;position:relative;z-index:1;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.3fr .9fr;gap:40px;}}
.cta-block h2{color:#fff;}
.cta-block p{color:#B9C6DA;margin-top:12px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:1024px){.cta-actions{justify-content:flex-end;}}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink-900);
  color:#9FB0C9;
  margin-top:0;
  border-top:1px solid rgba(53,242,192,.35);
  padding:56px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#8C9CB8;max-width:340px;}
.site-footer .logo{margin-bottom:4px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{color:#9FB0C9;font-size:14px;transition:color .2s ease-out,transform .2s ease-out;display:inline-block;}
.footer-col ul a:hover{color:var(--c-neon);transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#8C9CB8;}
.footer-contact i{margin-top:5px;color:var(--c-neon);font-size:13px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7C8CA8;
}
.footer-bottom p{margin:0;}

/* ---------- 焦点与可达性 ---------- */
.faq-q:focus-visible,.btn:focus-visible,.pill-nav a:focus-visible,.res-item:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px;}

/* roulang page: category4 */
:root{
  --c-ink-900:#0A1628;
  --c-ink-700:#1E2A3D;
  --c-brand-700:#123C8F;
  --c-brand-600:#1B4FD8;
  --c-brand-100:#E9EFFC;
  --c-brand-50:#F4F7FE;
  --c-neon:#35F2C0;
  --c-accent:#FF6B2C;
  --c-bg:#F5F7FB;
  --c-surface:#FFFFFF;
  --c-line:#E2E8F3;
  --c-text:#0F1B2D;
  --c-muted:#5A6B85;
  --c-ok:#12A16B;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(15,27,45,.06);
  --shadow-2:0 12px 32px -8px rgba(15,27,45,.12);
  --shadow-3:0 20px 44px -12px rgba(27,79,216,.22);
  --ring:0 0 0 2px #FFFFFF,0 0 0 4px rgba(27,79,216,.65);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(28px,4.6vw,52px);line-height:1.15;font-weight:700;letter-spacing:.01em;}
h2{font-size:clamp(22px,2.8vw,34px);line-height:1.25;font-weight:700;letter-spacing:.01em;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:var(--r-btn);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-brand-600);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:999;}
.skip-link:focus{left:0;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部公告条 ---------- */
.news-bar{background:var(--c-ink-900);color:#C9D6EC;font-size:13px;min-height:36px;display:flex;align-items:center;border-bottom:1px solid rgba(53,242,192,.16);}
.news-bar-inner{display:flex;align-items:center;gap:12px;width:100%;}
.news-tag{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);background:rgba(53,242,192,.14);color:var(--c-neon);font-size:12px;letter-spacing:.02em;}
.news-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.news-close{color:#8FA3C4;padding:6px;border-radius:8px;}
.news-close:hover{color:var(--c-neon);background:rgba(53,242,192,.1);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-ink-900);}
.site-header::after{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--c-brand-600),var(--c-neon));}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(140deg,var(--c-brand-600),#0B2E7A);color:var(--c-neon);font-size:18px;box-shadow:0 0 0 1px rgba(53,242,192,.35),0 8px 20px -8px rgba(53,242,192,.5);}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{color:#fff;font-size:18px;font-weight:700;letter-spacing:.06em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--c-neon);letter-spacing:.16em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{position:relative;color:#B9C7DE;font-size:15px;font-weight:500;padding:9px 14px;border-radius:8px;white-space:nowrap;}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.active{color:#fff;background:rgba(53,242,192,.08);text-shadow:0 0 8px rgba(53,242,192,.45);}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-neon);box-shadow:0 0 10px rgba(53,242,192,.8);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;white-space:nowrap;transition:all .2s ease-out;}
.btn-primary{background:var(--c-brand-600);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--c-brand-700);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:#fff;color:var(--c-brand-600);border:1px solid var(--c-brand-600);}
.btn-ghost:hover{background:var(--c-brand-50);transform:translateY(-1px);}
.btn-neon{background:rgba(53,242,192,.1);color:var(--c-neon);border:1px solid rgba(53,242,192,.6);}
.btn-neon:hover{background:var(--c-neon);color:var(--c-ink-900);box-shadow:0 0 22px -4px rgba(53,242,192,.7);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;color:#fff;border:1px solid rgba(255,255,255,.18);align-items:center;justify-content:center;font-size:18px;}
.nav-toggle:hover{border-color:rgba(53,242,192,.6);color:var(--c-neon);}
@media (max-width:1023px){
  .header-inner{min-height:60px;}
  .main-nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--c-ink-900);flex-direction:column;align-items:stretch;gap:4px;padding:76px 18px 28px;margin:0;transform:translateX(102%);transition:transform .24s ease-out;overflow-y:auto;box-shadow:-18px 0 40px -20px rgba(0,0,0,.7);}
  .main-nav.open{transform:translateX(0);}
  .nav-link{font-size:17px;padding:14px 16px;border-left:3px solid transparent;}
  .nav-link.active{border-left-color:var(--c-neon);background:rgba(53,242,192,.08);}
  .nav-link.active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-neon{display:none;}
}
@media (max-width:520px){
  .logo-text strong{font-size:16px;}
}

/* ---------- 页面 Hero ---------- */
.page-hero{position:relative;background:linear-gradient(180deg,var(--c-brand-50),#fff 88%);border-bottom:1px solid var(--c-line);overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(27,79,216,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(27,79,216,.05) 1px,transparent 1px);background-size:44px 44px;opacity:.7;pointer-events:none;}
.page-hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:28px;padding:44px 0 40px;}
@media (min-width:1024px){
  .page-hero-inner{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:center;padding:60px 0 54px;gap:44px;}
}
.breadcrumb{font-size:13px;color:var(--c-muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.breadcrumb a{color:var(--c-brand-600);}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px;}
.breadcrumb span.sep{color:#B6C2D6;}
.page-hero h1{color:var(--c-text);}
.hero-lede{margin-top:14px;font-size:17px;color:var(--c-muted);max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags .chip{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-brand-700);box-shadow:var(--shadow-1);}
.hero-tags .chip i{color:var(--c-brand-600);}
.hero-figure{position:relative;}
.hero-figure img{width:100%;height:230px;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow-2);}
.hero-float{position:absolute;left:-8px;bottom:-16px;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-2);display:flex;align-items:center;gap:10px;}
.hero-float i{width:34px;height:34px;border-radius:10px;background:var(--c-brand-100);color:var(--c-brand-600);display:inline-flex;align-items:center;justify-content:center;font-size:15px;}
.hero-float b{display:block;font-size:14px;color:var(--c-text);}
.hero-float small{font-size:12px;color:var(--c-muted);}

/* ---------- 锚点子导航 ---------- */
.subnav{background:#fff;border-bottom:1px solid var(--c-line);position:sticky;top:60px;z-index:60;}
@media (min-width:1024px){.subnav{top:74px;}}
.subnav-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.subnav-inner::-webkit-scrollbar{display:none;}
.subnav a{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--c-line);font-size:14px;color:var(--c-muted);white-space:nowrap;background:#fff;}
.subnav a:hover{color:var(--c-brand-600);border-color:rgba(27,79,216,.4);background:var(--c-brand-50);}
.subnav a.is-current{color:var(--c-brand-700);background:var(--c-brand-100);border-color:rgba(27,79,216,.24);font-weight:600;}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head p{color:var(--c-muted);font-size:15px;margin-top:8px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-brand-100);color:var(--c-brand-700);font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:14px;}
.link-more{color:var(--c-brand-600);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{gap:10px;color:var(--c-brand-700);}

/* ---------- 答疑布局 ---------- */
.faq-layout{display:grid;grid-template-columns:1fr;gap:28px;align-items:start;}
@media (min-width:1024px){
  .faq-layout{grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:36px;}
}
.faq-group+.faq-group{margin-top:34px;}
.faq-group-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:var(--c-text);margin-bottom:16px;}
.faq-group-title span.bar{width:4px;height:18px;border-radius:2px;background:var(--c-brand-600);}
.faq-group-title span.count{margin-left:auto;font-size:12px;font-weight:500;color:var(--c-muted);background:var(--c-brand-50);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:2px 10px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.faq-item:hover{border-color:rgba(27,79,216,.32);box-shadow:var(--shadow-2);}
.faq-item.open{border-color:rgba(27,79,216,.42);box-shadow:var(--shadow-2);}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;text-align:left;padding:18px 20px;min-height:56px;font-size:16px;font-weight:600;color:var(--c-text);}
.faq-q .q-index{flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:var(--c-brand-100);color:var(--c-brand-700);font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;}
.faq-q .q-text{flex:1;}
.faq-q .q-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);color:var(--c-brand-600);display:inline-flex;align-items:center;justify-content:center;font-size:12px;transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out;}
.faq-item.open .q-icon{transform:rotate(180deg);background:var(--c-brand-600);color:#fff;border-color:var(--c-brand-600);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out;}
.faq-a-inner{padding:0 20px 20px 62px;color:var(--c-muted);font-size:15px;}
.faq-a-inner ul{margin-top:10px;display:grid;gap:8px;}
.faq-a-inner li{position:relative;padding-left:18px;}
.faq-a-inner li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--c-brand-600);}
.faq-a-inner .tip{display:block;margin-top:12px;padding:10px 14px;border-left:3px solid var(--c-accent);background:#FFF6F1;border-radius:0 10px 10px 0;color:#8A3B12;font-size:14px;}

/* ---------- 粘性侧栏 ---------- */
.side-stack{display:grid;gap:20px;position:sticky;top:132px;}
@media (max-width:1023px){.side-stack{position:static;}}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:22px;}
.side-card h3{font-size:17px;margin-bottom:6px;}
.side-card .side-sub{font-size:13px;color:var(--c-muted);margin-bottom:16px;}
.quick-list{display:grid;gap:10px;}
.quick-list a{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--c-line);border-radius:12px;background:var(--c-brand-50);font-size:14px;font-weight:500;color:var(--c-text);}
.quick-list a i{width:30px;height:30px;border-radius:9px;background:#fff;color:var(--c-brand-600);display:inline-flex;align-items:center;justify-content:center;font-size:13px;box-shadow:var(--shadow-1);}
.quick-list a span.arrow{margin-left:auto;color:#A9B7CD;font-size:12px;}
.quick-list a:hover{transform:translateX(2px);border-color:rgba(27,79,216,.4);color:var(--c-brand-700);}
.side-card.contact{background:var(--c-ink-900);border-color:rgba(53,242,192,.28);color:#C9D6EC;}
.side-card.contact h3{color:#fff;}
.side-card.contact .side-sub{color:#93A6C2;}
.contact-rows{display:grid;gap:12px;font-size:14px;}
.contact-rows div{display:flex;gap:10px;align-items:flex-start;}
.contact-rows i{color:var(--c-neon);margin-top:4px;}
.side-card.contact .btn-neon{margin-top:18px;width:100%;}

/* ---------- 资源卡网格 ---------- */
.res-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.res-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.res-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
.res-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.res-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:rgba(27,79,216,.3);}
.res-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-50);}
.res-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.res-card .thumb .badge{position:absolute;left:12px;top:12px;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.94);color:var(--c-brand-700);font-size:12px;font-weight:600;display:inline-flex;align-items:center;}
.res-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.res-card h3{font-size:18px;margin-bottom:8px;}
.res-card p{font-size:14px;color:var(--c-muted);flex:1;}
.res-meta{display:flex;align-items:center;gap:14px;margin-top:16px;font-size:13px;color:var(--c-muted);border-top:1px dashed var(--c-line);padding-top:14px;}
.res-meta i{color:var(--c-brand-600);}

/* ---------- 深色 CTA ---------- */
.cta-dark{background:var(--c-ink-900);border-radius:20px;padding:32px 24px;position:relative;overflow:hidden;box-shadow:0 0 0 1px rgba(53,242,192,.25),0 30px 60px -30px rgba(10,22,40,.7);}
.cta-dark::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 88% 12%,rgba(53,242,192,.16),transparent 46%),linear-gradient(120deg,rgba(27,79,216,.28),transparent 60%);pointer-events:none;}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){.cta-dark{padding:44px 44px;}.cta-inner{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:44px;align-items:center;}}
.cta-dark h2{color:#fff;}
.cta-dark p{color:#A9BAD6;margin-top:14px;font-size:15px;}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-neon);background:rgba(53,242,192,.1);border:1px solid rgba(53,242,192,.28);border-radius:var(--r-pill);padding:5px 12px;}
.form-card{background:rgba(255,255,255,.04);border:1px solid rgba(53,242,192,.24);border-radius:16px;padding:22px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;font-weight:500;color:#C9D6EC;margin-bottom:6px;}
.field input,.field textarea{width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-btn);padding:0 14px;height:46px;color:#fff;font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.field textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.6;}
.field input::placeholder,.field textarea::placeholder{color:#7E90AC;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-neon);box-shadow:0 0 0 3px rgba(53,242,192,.18);}
.form-note{font-size:12px;color:#8CA0BE;margin-top:10px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink-900);color:#9FB0CB;margin-top:0;border-top:1px solid rgba(53,242,192,.35);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 36px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding:64px 0 44px;}}
.footer-brand p{font-size:14px;color:#8FA3C4;margin-top:16px;max-width:330px;}
.footer-brand .logo{margin-bottom:4px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#9FB0CB;}
.footer-col a:hover{color:var(--c-neon);transform:translateX(2px);display:inline-block;}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;line-height:1.7;color:#93A6C2;}
.footer-contact i{color:var(--c-neon);margin-top:5px;font-size:13px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:13px;color:#7E90AC;}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:12px;background:var(--c-brand-600);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transition:all .2s ease-out;z-index:70;}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--c-brand-700);transform:translateY(-2px);}